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Date: Thu, 28 Mar 2013 15:38:43 +0100
From: Fabian Keil <freebsd-listen@fabiankeil.de>
To: Alexander Motin <mav@FreeBSD.org>
Subject: Re: svn commit: r248674 - head/sys/geom
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Alexander Motin <mav@FreeBSD.org> wrote:

> Author: mav
> Date: Sun Mar 24 03:15:20 2013
> New Revision: 248674
> URL: http://svnweb.freebsd.org/changeset/base/248674
>=20
> Log:
>   Make g_wither_washer() to not loop by itself, but only when there was s=
ome
>   more topology change done that may require its attention.  Add few miss=
ing
>   g_do_wither() calls in respective places to signal it.
>  =20
>   This fixes potential infinite loop here when some provider is withered,=
 but
>   still opened or connected for some reason and so can not be destroyed. =
 For
>   example, see r227009 and r227510.

This (or one of the related commits) seems to have fixed kern/171865.

Thanks.

Fabian

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